UDP Port 12345 – italk

About UDP Port 12345

Port 12345 is registered with the Internet Assigned Numbers Authority (IANA) for italk. The IANA description reads: ‘Italk Chat System’. This port appears in 2 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

2 IDS / security rules reference UDP port 12345. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 1): attempted-admin (2).

Sample rule descriptions for UDP port 12345:

• ET EXPLOIT [PwnedPiper] Exploitation Attempt – Small Malformed Translogic Packet (Multiple CVEs)
• ET EXPLOIT [PwnedPiper] Exploitation Attempt – Large Malformed Translogic Packet (CVE-2021-37164)

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry, Emerging Threats Open Ruleset (BSD 2-Clause / GPLv2 per SID range), and Snort Community Rules (GPLv2).